'use strict';

var langs = {},
    langmap = require('langmap');

(function (langs) {

    var regexp = /[\-_]+/;
    langs.languageFromLocale = function(locale) {
        var comps = (locale+"").toLowerCase().split(regexp), lang = comps[0];
        if (lang == 'zh') {
            if (comps.length != 2) {
                return '';
            } else {
                if (['hans', 'cn'].indexOf(comps[1]) !== -1) return 'zh_hans';
                else if (['hant', 'tw', 'hk'].indexOf(comps[1]) !== -1) return 'zh_hant';
            }
        } else return lang;
    };

    var languages = {};
    for (var k in langmap) {
        var lang = langs.languageFromLocale(k);
        if (!languages[lang]) languages[lang] = langmap[k];
    }

    langs.languages = languages;

}(langs));

module.exports = langs;
